https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295957

Alan Somers <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Open
           Assignee|[email protected]            |[email protected]

--- Comment #1 from Alan Somers <[email protected]> ---
I just encountered this myself.  And I can provide easier steps to reproduce. 
The bug was probably introduced by 7e68af7ce2c1b892954df415774fe59fd2f1b62f ,
which means that it does not affect 15.0-RELEASE, but will affect 15.1-RELEASE.
 However, it only affects INVARIANTS kernels, so the regular GENERIC
15.1-RELEASE kernel is unaffected.

Steps to Reproduce
==================

Attempt to execute any file stored on a fusefs file system, with INVARIANTS
enabled in the kernel:.  For example:

$ sudo pkg install -y e2fsprogs-core fusefs-ext2
$ truncate -s 256m /tmp/ext2.img
$ mkfs.ext2 /tmp/ext2.img
$ sudo fuse-ext2 -o rw+ /tmp/ext2.img /mnt
$ sudo mkdir /mnt/tmp
$ chmod 1777 /mnt/tmp
$ cp /usr/bin/true /mnt/tmp
/usr/bin/true

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